Optolong L-Ultimate filter

Optolong L-Ultimate filter

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Carlos Rincón
Canon 200mm f/2.8 with Optolong dual band filters causing strong image gradients
Optolong L-Ultimate filter Optolong L-eXtremeOptolong L-UltimateGradient Removal
Sep 21, 2025Carlos Rincón
Last post: Carlos Rincón
bigCatAstro
andrea tasselli
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Tareq Abdulla
Optolong L-Ultimate filter imagers, share and discuss
Optolong L-Ultimate filter NarrowbandH-alphaOIII
Jul 17, 2023Tareq Abdulla
Last post: Carlos Rincón
Carlos Rincón
Icharuss
Max Kuster
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